Nut



FIG. 1 is a top perspective view of a nut in accordance with my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a third side view thereof;

FIG. 5 is a fourth side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict environmental subject matter, are for illustration only, and form no part of the claimed design. 

CLAIM The ornamental design for a nut, as shown and described. 